Influenza returns with a season dominated by clade 3C.2a1b.2a.2 A(H3N2) viruses, WHO European Region, 2021/22

Angeliki Melidou; Csaba Ködmön; the WHO European Region influenza surveillance network; Karen Nahapetyan; Annette Kraus; Erik Alm; Cornelia Adlhoch; Piers Mooks; Nishi Dave; Carlos Carvalho; Margaux M.I. Mesle; Rodney Daniels; Richard Pebody

doi:10.2807/1560-7917.ES.2022.27.15.2200255

Influenza returns with a season dominated by clade 3C.2a1b.2a.2 A(H3N2) viruses, WHO European Region, 2021/22

Angeliki Melidou
, Csaba Ködmön^*
, the WHO European Region influenza surveillance network
, Karen Nahapetyan
, Annette Kraus
, Erik Alm
, Cornelia Adlhoch
, Piers Mooks
, Nishi Dave
, Carlos Carvalho
, Margaux M.I. Mesle
, Rodney Daniels
, Richard Pebody

^*Corresponding author for this work

Virology

European Centre for Disease Prevention and Control
World Health Organization
The Francis Crick Institute

Research output: Contribution to journal › Article › Academic › peer-review

33 Citations (Scopus)

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Abstract

In the WHO European Region, COVID-19 non-pharmaceutical interventions continued slowing influenza circulation in the 2021/22 season, with reduced characterisation data. A(H3) predominated and, in some countries, co-circulated with A(H1)pdm09 and B/ Victoria viruses. No B/Yamagata virus detections were confirmed. Substantial proportions of characterised circulating virus subtypes or lineages differed antigenically from their respective northern hemisphere vaccine components. Appropriate levels of influenza virus characterisations should be maintained until the season end and in future seasons, when surveillance is adapted to integrate SARS-CoV-2.

Original language	English
Journal	Eurosurveillance
Volume	27
Issue number	15
DOIs	https://doi.org/10.2807/1560-7917.ES.2022.27.15.2200255
Publication status	Published - 14 Apr 2022

Bibliographical note

Publisher Copyright:
© 2022 European Centre for Disease Prevention and Control (ECDC). All rights reserved.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 3 Good Health and Well-being

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Melidou, A., Ködmön, C., the WHO European Region influenza surveillance network, Nahapetyan, K., Kraus, A., Alm, E., Adlhoch, C., Mooks, P., Dave, N., Carvalho, C., Mesle, M. M. I., Daniels, R., & Pebody, R. (2022). Influenza returns with a season dominated by clade 3C.2a1b.2a.2 A(H3N2) viruses, WHO European Region, 2021/22. Eurosurveillance, 27(15). https://doi.org/10.2807/1560-7917.ES.2022.27.15.2200255

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abstract = "In the WHO European Region, COVID-19 non-pharmaceutical interventions continued slowing influenza circulation in the 2021/22 season, with reduced characterisation data. A(H3) predominated and, in some countries, co-circulated with A(H1)pdm09 and B/ Victoria viruses. No B/Yamagata virus detections were confirmed. Substantial proportions of characterised circulating virus subtypes or lineages differed antigenically from their respective northern hemisphere vaccine components. Appropriate levels of influenza virus characterisations should be maintained until the season end and in future seasons, when surveillance is adapted to integrate SARS-CoV-2.",

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Melidou, A, Ködmön, C, the WHO European Region influenza surveillance network, Nahapetyan, K, Kraus, A, Alm, E, Adlhoch, C, Mooks, P, Dave, N, Carvalho, C, Mesle, MMI, Daniels, R & Pebody, R 2022, 'Influenza returns with a season dominated by clade 3C.2a1b.2a.2 A(H3N2) viruses, WHO European Region, 2021/22', Eurosurveillance, vol. 27, no. 15. https://doi.org/10.2807/1560-7917.ES.2022.27.15.2200255

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AU - Nahapetyan, Karen

AU - Kraus, Annette

AU - Alm, Erik

AU - Adlhoch, Cornelia

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AU - Carvalho, Carlos

AU - Mesle, Margaux M.I.

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Influenza returns with a season dominated by clade 3C.2a1b.2a.2 A(H3N2) viruses, WHO European Region, 2021/22

Abstract

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